How MySQL Binlog CDC Captures Data Changes That Periodic Syncs Miss

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A technical blog post published by Erathos explores the limitations of periodic sync methods when replicating MySQL data to Google BigQuery. The article argues that scheduled batch syncs can miss intermediate data changes, such as updates or deletes that occur between sync intervals. As an alternative, the post highlights Change Data Capture (CDC) using MySQL's binary log (binlog), which records every database event in real time. This approach ensures that no data mutations are lost during the replication process. The article has attracted modest engagement on Hacker News, drawing a small number of points and comments.

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